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Merge pull request #216990 from KapilAnanth-MSFT/patch-9
(AzureCXP) fixed TCP Window size formula
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articles/virtual-network/virtual-network-tcpip-performance-tuning.md

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@@ -184,11 +184,11 @@ But the TCP header value for TCP window size is only 2 bytes long, which means t
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The scale factor is also a setting that you can configure in an operating system. Here's the formula for calculating the TCP window size by using scale factors:
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`TCP window size = TCP window size in bytes \* (2^scale factor)`
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`TCP window size = TCP window size in bytes * (2^scale factor)`
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Here's the calculation for a window scale factor of 3 and a window size of 65,535:
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`65,535 \* (2^3) = 262,140 bytes`
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`65,535 * (2^3) = 262,140 bytes`
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A scale factor of 14 results in a TCP window size of 14 (the maximum offset allowed). The TCP window size will be 1,073,725,440 bytes (8.5 gigabits).
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## Next steps
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Now that you've learned about TCP/IP performance tuning for Azure VMs, you might want to read about other considerations for [planning virtual networks](./virtual-network-vnet-plan-design-arm.md) or [learn more about connecting and configuring virtual networks](./index.yml).
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Now that you've learned about TCP/IP performance tuning for Azure VMs, you might want to read about other considerations for [planning virtual networks](./virtual-network-vnet-plan-design-arm.md) or [learn more about connecting and configuring virtual networks](./index.yml).

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